When Mendeleev arranged the elements a patter in order of increasing atomic mass, the properties where repeated. Because the properties repeated themselves regularly, or periodically, on his chart, the system became known as the periodic table.
the age of exploration started in the 15 century and lasted thru the 17 century. the Europeans began to explore the world by sea in search of new trading routes ,wealth ,and knowledge hope this helps
Answer:
B
Explanation:
"The federal taxes you pay are used by the government to invest in technology and education, and to provide goods and services for the benefit of the American people. The three biggest categories of expenditures are: Major health programs, such as Medicare and Medicaid."
